Primary Aluminium ingot  A7

confirming standard BS EN 1780:2002
LME Registered Brand

Typical Chemical Analysis (percent)
Al:       99.7% min
Fe:      0.12% max
Si:       0.10% max
Cu:      0.001% max
Zn:      0.05% max
Ti:       0.02% max

 

Physical properties

Density / Specific Gravity (-3 at 20 °C):          2.70

 Melting Point (°C)                                                660

 Specific heat at 100 °C, cal.g-1K-1 (Jkg-1K-1):      0.2241 (938)

 Latent heat of fusion, cal.g-1 (kJ.kg-1):                94.7 (397.0)

 Electrical conductivity at 20°C

 (% of international annealed copper standard):     64.94

 Thermal conductivity (cal.sec-1cm-1K-1):              0.5

 Thermal emissivity at 100°F (%):                           3.0

 Reflectivity for light, tungsten filament (%):           90.0

Delivery as:

Ingot weighs approx. 14.5 kgs. +/-2% (68 ingots per bundle)

Ingot dimension: L670 mm x W156 mm x H70 mm

or

ingot weighs approx. 20 kgs. +/-2% (50 ingots per bundle)

Ingot dimension: L765 mm x W154 mm x H115 mm

Packing: In bundles of approx. 1,000 kgs net each.

or

T-bar ingot weighs approx. 525 kgs. +/-5%

T-bar ingot dimension: L800 mm x W800 mm x H400 mm